makefile: add a makefile to the template

Makefile

@@ -0,0 +1,44 @@
+CARGO = cargo
+RUNNER = sudo -E
+
+RUN_ARGS = # User provided args could go here, or be specified at cmd line
+
+DEBUG   = target/debug/{{project-name}}
+RELEASE = target/release/{{project-name}}
+
+DEBUG_BPF   = target/bpfel-unknown-none/debug/{{project-name}}
+RELEASE_BPF = target/bpfel-unknown-none/release/{{project-name}}
+
+USER_SRCS   =  $(wildcard {{project-name}}-common/**/*)
+COMMON_SRCS =  $(wildcard {{project-name}}/**/*)
+BPF_SRCS    =  $(wildcard {{project-name}}-ebpf/**/*)
+
+.PHONY: build
+build: $(DEBUG)
+
+.PHONY: run
+run: $(DEBUG)
+	$(RUNNER) ./$(DEBUG) --path $(DEBUG_BPF) $(RUN_ARGS)
+
+.PHONY: build-release
+build-release: $(RELEASE)
+
+.PHONY: run-release
+run-release: $(RELEASE)
+	$(RUNNER) ./$(RELEASE) --path $(RELEASE_BPF) $(RUN_ARGS)
+
+.PHONY: clean
+clean:
+	$(CARGO) clean
+
+$(DEBUG): $(DEBUG_BPF) $(USER_SRCS) $(COMMON_SRCS)
+	$(CARGO) build
+
+$(DEBUG_BPF): $(BPF_SRCS) $(COMMON_SRCS)
+	$(CARGO) xtask build-ebpf
+
+$(RELEASE): $(RELEASE_BPF) $(USER_SRCS) $(COMMON_SRCS)
+	$(CARGO) build --release
+
+$(RELEASE_BPF): $(BPF_SRCS) $(COMMON_SRCS)
+	$(CARGO) xtask build-ebpf --release